<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索框 -->
          <el-input
            placeholder="请输入内容"
            class="input-with-select"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="$router.push('/goods/add')"
            >添加商品</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="goodsList" stripe border>
        <el-table-column type="index" label="#"> </el-table-column>
        <el-table-column prop="goods_name" label="商品名称" width="600px">
        </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="150px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <!--  @click="showEditDialog(scope.row.id)"  -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeGoodsById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  data() {
    return {
      // 获取的商品数据
      goodsList: [],
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 每页显示的条数
        pagesize: 5,
      },
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo,
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表数据失败！')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // pageSize 改变时会触发
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.queryInfo.pagesize = pageSize
      this.getGoodsList()
    },
    // 当前页变动时候触发的事件
    handleCurrentChange(currentPage) {
      console.log(currentPage)
      this.queryInfo.pagenum = currentPage
      this.getGoodsList()
    },
    // 删除商品
    async removeGoodsById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      // 确认返回 confirm
      // 取消返回 cancel
      if (confirmResult === 'cancel') {
        return this.$message.info('取消删除商品！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败！')
      }
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
  },
}
</script>

<style lang="less" scoped>
</style>
